2) Metabolic Training is High Intensity. Metabolic training is high intensity anaerobic exercise that makes you breathless. If you are completing a metabolic workout and you are not breathing hard and sweating, something is wrong.
Next page: Why white wine can stain teeth. When combined with the beverageâs acidity, the tannins in white wine act as a binding protein and help chromogens to saturate the toothâs surface, says Wolff. So when you linger over a cup of tea at the end of dinner, you are inadvertently discoloring your teeth.
Dark Beers. In contrast, heavier, darker-colored beers such as Guinness, many of which are crafted with black patent malt or roasted barley, may indeed stain the teeth â especially if you drink these types of beers regularly. To help avoid tooth discoloration, you can try drinking your dark beer with a straw.